Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used in sql injection I tried it and it worked but I didn't really know how it works can somebody help me...
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char --. تفسير فرط السبحة في المنام.
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11223344) UNION SELECT NULL,NULL,NULL,NULL WHERE 1=2 ��- Если нет ошибки, значит синтаксис верный, т.е. используется MS SQL Server.
The NULL macro is required to expand to "an implementation-defined null pointer constant". A null pointer constant is defined as "An integer constant expression with the value 0, or such an expression cast to type void *". Counterintuitively, this definition does not require the expansion of NULL to be an...
car, vivo, loja, net, empregos, pet shop, pneus, sine, 999999.9 /union/all /select 0x393133353134353632312e39,0x393133353134353632322e39,0x393133353134353632332e39, 999999.9, uri, escola, hotel, 999999.9 /**/union/**/all /**/select
Задание: 39 (Serge I: 2003-02-14). Найдите корабли, "сохранившиеся для будущих сражений"; т.е. выведенные
The macro NULL and value 0 are equivalent as null pointer constants, but NULL is cleaner because it represents the purpose of using the constant for a pointer.
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select cast(avg(numguns*1.0) as numeric(4,2)) as Avg_numGuns from classes where type='bb'. Задание: 54. С точностью до 2-х десятичных знаков определите среднее число орудий всех линейных кораблей (учесть корабли из таблицы Outcomes).